Issue #3261229 by mfb, danflanagan8, smustgrave, daffie, catch, alexpott:...

Issue #3261229 by mfb, danflanagan8, smustgrave, daffie, catch, alexpott: Passing null to parameter #1 ($num) of type int|float to abs() is deprecated

(cherry picked from commit 5f3e8885)